package test2;

import java.util.Date;

public class DangDangBook implements  ISendBook{

    @Override
    public Date sendBook(String username,int age) {
        System.out.println("当当网吧书发送给消费者+++++当当代码 username=" +username+ " age="+age);
        Date nowDate= new Date();
        System.out.println(nowDate);
        return  new Date();
    }


}
